Difference between revisions of "Event.MOUSE WHEEL"

From GiderosMobile
(Created page with "__NOTOC__ '''Available since:''' Gideros 2015.04.26<br/> === Description === Event that fires when mouse wheel is used. Modifiers can have values of: `KeyCode.MODIFIER_NO...")
 
m (Text replacement - "</source>" to "</syntaxhighlight>")
 
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__NOTOC__
 
__NOTOC__
 
'''Available since:''' Gideros 2015.04.26<br/>
 
'''Available since:''' Gideros 2015.04.26<br/>
 +
'''Value:''' mouseWheel<br/>
 +
'''Defined by:''' [[Sprite]]<br/>
 +
 
=== Description ===
 
=== Description ===
 
Event that fires when mouse wheel is used.
 
Event that fires when mouse wheel is used.
 
    
 
    
  Modifiers can have values of:
+
Modifiers can have values of:
`KeyCode.MODIFIER_NONE`
+
*[[KeyCode.MODIFIER_NONE]]
`KeyCode.MODIFIER_SHIFT`
+
*[[KeyCode.MODIFIER_SHIFT]]
`KeyCode.MODIFIER_CTRL`
+
*[[KeyCode.MODIFIER_CTRL]]
`KeyCode.MODIFIER_ALT`
+
*[[KeyCode.MODIFIER_ALT]]
`KeyCode.MODIFIER_META`
+
*[[KeyCode.MODIFIER_META]]
 +
 
 +
=== Parameters ===
 +
'''x''': (number) x coordinate of the click<br/>
 +
'''y''': (number) y coordinate of the click<br/>
 +
'''rx''': (number) unrounded x coordinate of the click<br/>
 +
'''ry''': (number) unrounded y coordinate of the click<br/>
 +
'''wheel''': (number) negative value when scrolled down and positive value when scrolled up '''(default value 120)'''<br/>
 +
'''modifiers''': (number) modifiers present<br/>
 +
 
 +
=== Example ===
 +
<syntaxhighlight lang="lua">
 +
local myscale = 0
 +
mybitmap:addEventListener(Event.MOUSE_WHEEL, function(e)
 +
-- e.wheel = 120
 +
myscale = mybitmap:getScale() + e.wheel / 32
 +
mybitmap:setScale(myscale)
 +
end)
 +
</syntaxhighlight>
 +
 
 +
{{Sprite}}

Latest revision as of 14:27, 13 July 2023

Available since: Gideros 2015.04.26
Value: mouseWheel
Defined by: Sprite

Description

Event that fires when mouse wheel is used.

Modifiers can have values of:

Parameters

x: (number) x coordinate of the click
y: (number) y coordinate of the click
rx: (number) unrounded x coordinate of the click
ry: (number) unrounded y coordinate of the click
wheel: (number) negative value when scrolled down and positive value when scrolled up (default value 120)
modifiers: (number) modifiers present

Example

local myscale = 0
mybitmap:addEventListener(Event.MOUSE_WHEEL, function(e)
	-- e.wheel = 120
	myscale = mybitmap:getScale() + e.wheel / 32
	mybitmap:setScale(myscale)
end)